Monkeypox, COVID-19, AIDS: have we progressed so little?

Deaths and sufferings are not a failure of technology or knowledge, but a failure of will.

The world’s reservoirs are ageing — and belching out more methane

But carbon dioxide emissions resulting from the global reservoir-building spree in the 1960s and 1970s are falling.

The Jurassic vomit that stood the test of time

A fossilized pile of small bones is probably a meal that an animal heaved up 150 million years ago.

Rarest of elements yield their secrets with help from mighty metals

Surrounding an ion of curium with radiation-resistant clusters of other ions allows scientists to study the scarce substance.

Why some female hummingbirds mimic males: it’s all about nectar

Some female white-necked jacobins nab good feeding spots by adopting the flashy plumage of their bigger, brasher male counterparts.

A sugary diet wrecks gut microbes — and their anti-obesity efforts

A high-sugar diet unbalances the microbiome, so the body makes fewer of the gut immune cells that help to prevent metabolic disorders.